Question
Michael and Sarah were in a roller skating race. Michael was travelling at a constant speed of 20 km/h and they both did not change their speed. When Sarah completed half of her race, Michael was 2.5 km ahead. Michael completed the race at 11.35 a.m. What time did Sarah complete the race?
3 m

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Michael and Sarah were in a roller skating race. Michael was travelling at a constant speed of 20 km/h and they both did not change their speed. When Sarah completed half of her race, Michael was 2.5 km ahead. Michael completed the race at 11.35 a.m. What time did Sarah complete the race?